Comparison of Cell Growth and Alkaloid Production of Catharanthus roseus Cells Cultured in Shake Flask and in Bioreactor |
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Authors: | ZHENG Zhen-Gui LIU Di HU Zhi-Bi |
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Abstract: | The cell growth and alkaloid production of Catharanthus roseus (L.) G. Don cells cultured in the shake flasks with different volumes and in the stirred tank bioreactor (10 L) were compared. Cell dry weight and alkaloid production showed no significant difference in the small volume scale-up shake flasks. When more broths were added to a certain volume in the shake flask, both cell weight and alkaloid production were decreased. The maximum cell dry weight was similar between the cell cultures in the shake flask and the bioreactor, but the alkaloid production of cells was much less in the bioreactor. Gas regime and shear stress were recognized to be the main factors contributing the important effect on alkaloid production during the scale-up processes. |
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Keywords: | Cell growth Alkaloid production Scale-up cell culture Catharanthus roseus |
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